1 /* 2 * Copyright 2007 the original author or authors. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 package org.mockftpserver.core.command; 17 18 import org.mockftpserver.core.util.Assert; 19 20 import java.util.ResourceBundle; 21 22 /** 23 * Contains common utility method to conditionally set the reply text ResourceBundle on a 24 * CommandHandler instance. 25 * 26 * @version $Revision$ - $Date$ 27 * 28 * @author Chris Mair 29 */ 30 public final class ReplyTextBundleUtil { 31 32 /** 33 * Set the <code>replyTextBundle</code> property of the specified CommandHandler to the 34 * <code>ResourceBundle</code> if and only if the <code>commandHandler</code> implements the 35 * {@link ReplyTextBundleAware} interface AND its <code>replyTextBundle</code> property 36 * has not been set (is null). 37 * 38 * @param commandHandler - the CommandHandler instance 39 * @param replyTextBundle - the ResourceBundle to use for localizing reply text 40 * 41 * @throws org.mockftpserver.core.util.AssertFailedException - if the commandHandler is null 42 */ 43 public static void setReplyTextBundleIfAppropriate(CommandHandler commandHandler, ResourceBundle replyTextBundle) { 44 Assert.notNull(commandHandler, "commandHandler"); 45 if (commandHandler instanceof ReplyTextBundleAware) { 46 ReplyTextBundleAware replyTextBundleAware = (ReplyTextBundleAware) commandHandler; 47 if (replyTextBundleAware.getReplyTextBundle() == null) { 48 replyTextBundleAware.setReplyTextBundle(replyTextBundle); 49 } 50 } 51 } 52 53 } 54
